public static function fromCenterAndDistance(GeolocationInterface $center, Distance $distance)
{
$radLat = deg2rad($center->getLat());
$radLon = deg2rad($center->getLong());
// angular distance in radians on a great circle
$radDist = $distance->getMeters() / GeolocationInterface::EARTH_RADIUS;
$minLat = $radLat - $radDist;
$maxLat = $radLat + $radDist;
$deltaLon = asin(sin($radDist) / cos($radLat));
$minLon = $radLon - $deltaLon;
//if (minLon < MIN_LON) {minLon += 2d * Math.PI;}
$maxLon = $radLon + $deltaLon;
//if (maxLon > MAX_LON) {maxLon -= 2d * Math.PI;}
$min = new Geolocation(rad2deg($maxLat), rad2deg($minLon));
$max = new Geolocation(rad2deg($minLat), rad2deg($maxLon));
return new BoundingBox($min, $max);
}
public function add(Distance $distance)
{
return new Distance($this->getMeters() + $distance->getMeters());
}
/**
* @covers \Base\Geospatial\Distance
*/
public function testGetter()
{
$distance = new Distance(1);
$this->assertEquals(1, $distance->getMeters());
}
